public string CanvasCompositeMode(CanvasComposite value)
{
var typeName = nameof(CanvasComposite);
switch (value)
{
case CanvasComposite.SourceOver: return($"{typeName}{ScopeResolve}SourceOver");
case CanvasComposite.DestinationOver: return($"{typeName}{ScopeResolve}DestinationOver");
case CanvasComposite.SourceIn: return($"{typeName}{ScopeResolve}SourceIn");
case CanvasComposite.DestinationIn: return($"{typeName}{ScopeResolve}DestinationIn");
case CanvasComposite.SourceOut: return($"{typeName}{ScopeResolve}SourceOut");
case CanvasComposite.DestinationOut: return($"{typeName}{ScopeResolve}DestinationOut");
case CanvasComposite.SourceAtop: return($"{typeName}{ScopeResolve}SourceAtop");
case CanvasComposite.DestinationAtop: return($"{typeName}{ScopeResolve}DestinationAtop");
case CanvasComposite.Xor: return($"{typeName}{ScopeResolve}Xor");
case CanvasComposite.Add: return($"{typeName}{ScopeResolve}Add");
case CanvasComposite.Copy: return($"{typeName}{ScopeResolve}Copy");
case CanvasComposite.BoundedCopy: return($"{typeName}{ScopeResolve}BoundedCopy");
case CanvasComposite.MaskInvert: return($"{typeName}{ScopeResolve}MaskInvert");
default: throw new InvalidOperationException();
}
}
public static void Merge()
{
//使Source为合成所有图层
App.InitializeCrop();
if (App.Model.isAnimated == true)//选区存在
{
App.Model.Clipboard = new CanvasRenderTarget(App.Model.VirtualControl, (float)App.Model.MaskRect.Width, (float)App.Model.MaskRect.Height);
using (CanvasDrawingSession ds = App.Model.Clipboard.CreateDrawingSession())
{
ds.DrawImage(App.Model.SecondTopRenderTarget, (float)-App.Model.MaskRect.X, (float)-App.Model.MaskRect.Y);
//扣外留内
CanvasComposite compositeMode = CanvasComposite.DestinationIn;
ds.DrawImage(App.Model.MaskRenderTarget, (float)-App.Model.MaskRect.X, (float)-App.Model.MaskRect.Y, App.Model.MaskRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
}
else if (App.Model.isAnimated == false)//选区不存在
{
App.Model.Clipboard = new CanvasRenderTarget(App.Model.VirtualControl, App.Model.Width, App.Model.Height);
using (CanvasDrawingSession ds = App.Model.Clipboard.CreateDrawingSession())
{
ds.DrawImage(App.Model.SecondTopRenderTarget);
}
}
App.Model.isClipboard = true;//存在剪切板
}
public static void Extract()
{
//如果图层不可视或透明
if (App.Model.CurrentVisual == false)
{
App.Tip();
}
else
{
//Undo：撤销
Undo undo = new Undo();
undo.TargeInstantiation(App.Model.Index, App.Model.CurrentRenderTarget);
App.UndoAdd(undo);
if (App.Model.isAnimated == true)//选区存在
{
using (CanvasDrawingSession ds = App.Model.CurrentRenderTarget.CreateDrawingSession())
{
//扣外留内
CanvasComposite compositeMode = CanvasComposite.DestinationIn;
ds.DrawImage(App.Model.MaskRenderTarget, 0, 0, App.Model.MaskRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
}
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
App.Model.Layers[App.Model.Index].SetWriteableBitmap(App.Model.VirtualControl); //刷新缩略图
}
}
private static void DrawMarqueeToolEllipse(this CanvasDrawingSession drawingSession, ICanvasResourceCreator resourceCreator, TransformerRect transformerRect, Rect sourceRectangle, MarqueeCompositeMode compositeMode = MarqueeCompositeMode.New)
{
switch (compositeMode)
{
case MarqueeCompositeMode.New:
{
drawingSession.Clear(Windows.UI.Colors.Transparent);
Vector2 centerPoint = transformerRect.Center;
float width = transformerRect.Width / 2;
float height = transformerRect.Height / 2;
drawingSession.FillEllipse(centerPoint, width, height, Windows.UI.Colors.DodgerBlue);
}
break;
case MarqueeCompositeMode.Add:
{
Vector2 centerPoint = transformerRect.Center;
float width = transformerRect.Width / 2;
float height = transformerRect.Height / 2;
drawingSession.FillEllipse(centerPoint, width, height, Windows.UI.Colors.DodgerBlue);
}
break;
case MarqueeCompositeMode.Subtract:
{
CanvasCommandList canvasCommandList = CanvasDrawingSessionExtensions.GetMarqueeToolEllipse(drawingSession, resourceCreator, transformerRect);
CanvasComposite canvasComposite = CanvasComposite.DestinationOut;
drawingSession.DrawImage(canvasCommandList, 0, 0, sourceRectangle, 1, CanvasImageInterpolation.Linear, canvasComposite);
}
break;
case MarqueeCompositeMode.Intersect:
{
CanvasCommandList canvasCommandList = CanvasDrawingSessionExtensions.GetMarqueeToolEllipse(drawingSession, resourceCreator, transformerRect);
CanvasComposite canvasComposite = CanvasComposite.DestinationIn;
drawingSession.DrawImage(canvasCommandList, 0, 0, sourceRectangle, 1, CanvasImageInterpolation.Linear, canvasComposite);
}
break;
case MarqueeCompositeMode.Xor:
{
CanvasCommandList canvasCommandList = CanvasDrawingSessionExtensions.GetMarqueeToolEllipse(drawingSession, resourceCreator, transformerRect);
CanvasComposite canvasComposite = CanvasComposite.Xor;
drawingSession.DrawImage(canvasCommandList, 0, 0, sourceRectangle, 1, CanvasImageInterpolation.Linear, canvasComposite);
}
break;
}
}
public static void Cut()
{
//如果图层不可视或透明
if (App.Model.CurrentVisual == false)
{
App.Tip();
}
else
{
//Undo：撤销
Undo undo = new Undo();
undo.TargeInstantiation(App.Model.Index, App.Model.CurrentRenderTarget);
App.UndoAdd(undo);
if (App.Model.isAnimated == true)//选区存在
{
App.Model.Clipboard = new CanvasRenderTarget(App.Model.VirtualControl, (float)App.Model.MaskRect.Width, (float)App.Model.MaskRect.Height);
using (CanvasDrawingSession ds = App.Model.Clipboard.CreateDrawingSession())
{
ds.DrawImage(App.Model.CurrentRenderTarget, (float)-App.Model.MaskRect.X, (float)-App.Model.MaskRect.Y);
//扣外留内
CanvasComposite compositeMode = CanvasComposite.DestinationIn;
ds.DrawImage(App.Model.MaskRenderTarget, (float)-App.Model.MaskRect.X, (float)-App.Model.MaskRect.Y, App.Model.MaskRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
using (CanvasDrawingSession ds = App.Model.CurrentRenderTarget.CreateDrawingSession())
{
//扣内留外
CanvasComposite compositeMode = CanvasComposite.DestinationOut;
ds.DrawImage(App.Model.MaskRenderTarget, 0, 0, App.Model.MaskRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
}
else if (App.Model.isAnimated == false)//选区不存在
{
var rect = App.GetCurrentBounds();
App.Model.Clipboard = new CanvasRenderTarget(App.Model.VirtualControl, (float)rect.Width, (float)rect.Height);
using (CanvasDrawingSession ds = App.Model.Clipboard.CreateDrawingSession())
{
ds.DrawImage(App.Model.CurrentRenderTarget, (float)-rect.X, (float)-rect.Y);
}
using (CanvasDrawingSession ds = App.Model.CurrentRenderTarget.CreateDrawingSession())
{
ds.Clear(Colors.Transparent);
}
}
App.Model.isClipboard = true; //存在剪切板
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
App.Model.Layers[App.Model.Index].SetWriteableBitmap(App.Model.VirtualControl); //刷新缩略图
}
}
private void Selection()
{
App.Model.isCanUndo = false;//关闭撤销
Layer l = App.Model.Layers[App.Model.Index];
//画布：输入源图、形状，输出带形状的源图
CanvasRenderTarget crt = new CanvasRenderTarget(App.Model.VirtualControl, App.Model.Width, App.Model.Height);
using (CanvasDrawingSession ds = crt.CreateDrawingSession())
{
ds.DrawImage(l.CanvasRenderTarget);
CanvasComposite compositeMode = CanvasComposite.DestinationIn;//差模式
ds.DrawImage(App.Model.MaskRenderTarget, 0, 0, l.CanvasRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
//新建层
Layer ll = new Layer {
Visual = true, Opacity = l.Opacity, CanvasRenderTarget = crt, BlendIndex = l.BlendIndex
};
if (App.Model.isLowView)
{
ll.LowView();
}
else
{
ll.SquareView();
}
//Undo：撤销
Undo undo = new Undo();
undo.AddInstantiation(App.Model.Index);
App.UndoAdd(undo);
App.Model.Layers.Insert(App.Model.Index, ll);
ll.SetWriteableBitmap(App.Model.VirtualControl); //刷新缩略图
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
App.Model.LayersCount = App.Model.Layers.Count; //Undo：撤销
App.Model.isCanUndo = true; //打开撤销
}
private static void DrawMarqueeToolRectangular(this CanvasDrawingSession drawingSession, ICanvasResourceCreator resourceCreator, TransformerRect transformerRect, Rect sourceRectangle, MarqueeCompositeMode compositeMode = MarqueeCompositeMode.New)
{
switch (compositeMode)
{
case MarqueeCompositeMode.New:
{
drawingSession.Clear(Windows.UI.Colors.Transparent);
Rect rect = transformerRect.ToRect();
drawingSession.FillRectangle(rect, Windows.UI.Colors.DodgerBlue);
}
break;
case MarqueeCompositeMode.Add:
{
Rect rect = transformerRect.ToRect();
drawingSession.FillRectangle(rect, Windows.UI.Colors.DodgerBlue);
}
break;
case MarqueeCompositeMode.Subtract:
{
CanvasCommandList canvasCommandList = CanvasDrawingSessionExtensions.GetMarqueeToolRectangular(drawingSession, resourceCreator, transformerRect);
CanvasComposite canvasComposite = CanvasComposite.DestinationOut;
drawingSession.DrawImage(canvasCommandList, 0, 0, sourceRectangle, 1, CanvasImageInterpolation.Linear, canvasComposite);
}
break;
case MarqueeCompositeMode.Intersect:
{
CanvasCommandList canvasCommandList = CanvasDrawingSessionExtensions.GetMarqueeToolRectangular(drawingSession, resourceCreator, transformerRect);
CanvasComposite canvasComposite = CanvasComposite.DestinationIn;
drawingSession.DrawImage(canvasCommandList, 0, 0, sourceRectangle, 1, CanvasImageInterpolation.Linear, canvasComposite);
}
break;
case MarqueeCompositeMode.Xor:
{
CanvasCommandList canvasCommandList = CanvasDrawingSessionExtensions.GetMarqueeToolRectangular(drawingSession, resourceCreator, transformerRect);
CanvasComposite canvasComposite = CanvasComposite.Xor;
drawingSession.DrawImage(canvasCommandList, 0, 0, sourceRectangle, 1, CanvasImageInterpolation.Linear, canvasComposite);
}
break;
}
}
public string CanvasCompositeMode(CanvasComposite value)
{
var typeName = nameof(CanvasComposite);
return value switch
{
CanvasComposite.SourceOver => $"{typeName}{ScopeResolve}SourceOver",
CanvasComposite.DestinationOver => $"{typeName}{ScopeResolve}DestinationOver",
CanvasComposite.SourceIn => $"{typeName}{ScopeResolve}SourceIn",
CanvasComposite.DestinationIn => $"{typeName}{ScopeResolve}DestinationIn",
CanvasComposite.SourceOut => $"{typeName}{ScopeResolve}SourceOut",
CanvasComposite.DestinationOut => $"{typeName}{ScopeResolve}DestinationOut",
CanvasComposite.SourceAtop => $"{typeName}{ScopeResolve}SourceAtop",
CanvasComposite.DestinationAtop => $"{typeName}{ScopeResolve}DestinationAtop",
CanvasComposite.Xor => $"{typeName}{ScopeResolve}Xor",
CanvasComposite.Add => $"{typeName}{ScopeResolve}Add",
CanvasComposite.Copy => $"{typeName}{ScopeResolve}Copy",
CanvasComposite.BoundedCopy => $"{typeName}{ScopeResolve}BoundedCopy",
CanvasComposite.MaskInvert => $"{typeName}{ScopeResolve}MaskInvert",
_ => throw new InvalidOperationException(),
};
}
public static void Copy()
{
if (App.Model.isAnimated == true)//选区存在
{
App.Model.Clipboard = new CanvasRenderTarget(App.Model.VirtualControl, (float)App.Model.MaskRect.Width, (float)App.Model.MaskRect.Height);
using (CanvasDrawingSession ds = App.Model.Clipboard.CreateDrawingSession())
{
ds.DrawImage(App.Model.CurrentRenderTarget, (float)-App.Model.MaskRect.X, (float)-App.Model.MaskRect.Y);
//扣外留内
CanvasComposite compositeMode = CanvasComposite.DestinationIn;
ds.DrawImage(App.Model.MaskRenderTarget, (float)-App.Model.MaskRect.X, (float)-App.Model.MaskRect.Y, App.Model.MaskRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
}
else if (App.Model.isAnimated == false)//选区不存在
{
var rect = App.GetCurrentBounds();
App.Model.Clipboard = new CanvasRenderTarget(App.Model.VirtualControl, (float)rect.Width, (float)rect.Height);
using (CanvasDrawingSession ds = App.Model.Clipboard.CreateDrawingSession())
{
ds.DrawImage(App.Model.CurrentRenderTarget, (float)-rect.X, (float)-rect.Y);
}
}
App.Model.isClipboard = true;//存在剪切板
}
public static void Mask(ICanvasImage VirtualImage, ICanvasImage AnimatedImage, int MaskMode = 0, bool isClear = false)
{
CanvasComposite compositeMode = CanvasComposite.SourceOver;
switch (MaskMode)
{
//主模式：SourceOver
case 0: compositeMode = CanvasComposite.SourceOver; break;
//加模式：SourceOver
case 1: compositeMode = CanvasComposite.SourceOver; break;
//减模式：DestinationOut
case 2: compositeMode = CanvasComposite.DestinationOut; break;
//差模式：DestinationIn
case 3: compositeMode = CanvasComposite.DestinationIn; break;
//负模式：DestinationIn
case 4: compositeMode = CanvasComposite.Xor; break;
default: break;
}
//画布
CanvasCommandList cl = new CanvasCommandList(App.Model.VirtualControl); //新图片（列表命令）
using (CanvasDrawingSession ds = cl.CreateDrawingSession()) //新图片上画几何
{
ds.Clear(App.Setting.MaskColor);
ds.DrawImage(VirtualImage, 0, 0, App.Model.MaskRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, CanvasComposite.DestinationIn);
}
using (CanvasDrawingSession ds = App.Model.MaskRenderTarget.CreateDrawingSession())//旧图片上画旧图片（并布尔运算）
{
if (isClear == true || MaskMode == 0)
{
ds.Clear(Colors.Transparent);
}
ds.DrawImage(cl, 0, 0, App.Model.MaskRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
//动画
CanvasCommandList acl = new CanvasCommandList(App.Model.AnimatedControl); //新图片（列表命令）
using (CanvasDrawingSession ds = acl.CreateDrawingSession()) //新图片上画几何
{
ds.Clear(App.Setting.MaskColor);
ds.DrawImage(AnimatedImage, 0, 0, App.Model.MaskRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, CanvasComposite.DestinationIn);
}
using (CanvasDrawingSession ds = App.Model.MaskAnimatedTarget.CreateDrawingSession())//旧图片上画旧图片（并布尔运算）
{
if (isClear == true || MaskMode == 0)
{
ds.Clear(Colors.Transparent);
}
ds.DrawImage(acl, 0, 0, App.Model.MaskAnimatedTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
if (App.Model.isMask == true)//蓝色选区
{
App.Model.isReRender = true;
App.Model.Refresh++;
}
}
public static void DrawImage(this CanvasDrawingSession t, ICanvasImage ii, CanvasComposite c, float o = 1)
{
var bb = ii.GetBounds(t.Device);
t.DrawImage(ii, bb, bb, o, CanvasImageInterpolation.Linear, c);
}